Utilizing Outlook 2007, you should be able to forward.
Start with a blank rule.
1) Apply rule after the message arrives
2) with specific words in the recipient’s address (enter smithjones.com)
a) forward it to people or public group (enter destination)
b) forward it to people or public group as an attachment (enter destination)
4) Any expections ?
5) Provide name for rule and turn on rule.
If you want to forward e-mails that are comming <b>from that domain</b>, then use ‘with specific words in the <b>sender’s</b> address’ in step 2.